diff --git a/deploy/action.yml b/deploy/action.yml
index 64fb3cd..c8b5ed8 100644
--- a/deploy/action.yml
+++ b/deploy/action.yml
@@ -128,7 +128,7 @@ runs:
         kubelogin-version: 'latest'
 
     - name: Authenticate with Google Cloud
-      uses: google-github-actions/auth@v2.1.4
+      uses: google-github-actions/auth@v2.1.6
       if: ${{ inputs.runtime-cloud-provider == 'GKE' }}
       with:
         workload_identity_provider: ${{ inputs.GC_WORKLOAD_IDENTITY_PROVIDER }}